package com.zy.imagineCommunity.webSocket;

import org.apache.commons.lang3.StringUtils;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.server.HandshakeInterceptor;


import java.util.Map;

/**
 * @author 张宇
 * @date 2021/6/9 14:46
 */
@Component
public class MessageHandshakeInterceptor implements HandshakeInterceptor {

    @Override
    public boolean beforeHandshake(ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse, WebSocketHandler webSocketHandler, Map<String, Object> map) throws Exception {
        String path = serverHttpRequest.getURI().getPath();
        String[] ss = StringUtils.split(path, '/');
        if (ss.length != 3) {
            return false;
        }
        if (!StringUtils.isNumeric(ss[2])) {
            return false;
        }
        map.put("uid", Long.valueOf(ss[2]));
        return true;
    }

    @Override
    public void afterHandshake(ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse, WebSocketHandler webSocketHandler, Exception e) {
        System.out.println("握手成功!");
    }

}
